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Finding the Fourth Proportional to 171,646.09, 257,405.93 and 59,297.47

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Solution

The fourth proportional to 171,646.09, 257,405.93 and 59,297.47 is: 88,924.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,646.09 : 257,405.93 = 59,297.47 : x
  2. Step 2: Convert to fraction form
    171,646.09/257,405.93 = 59,297.47/x
  3. Step 3: Cross multiply
    171,646.09x = 257,405.93 × 59,297.47
  4. Step 4: Simplify right side
    171,646.09x = 15,263,518,828.48
  5. Step 5: Solve for x
    x = 15,263,518,828.48/171,646.09
  6. Step 6: Final answer
    x = 88,924.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.